66
WARNING There is a danger of explosion if the battery is incorrectly replaced.
WARNING Replace the battery with the same or equivalent type only, as recommended by the
manufacturer. Dispose of used batteries according to the manufacturer’s instructions.
To replace the Lithium battery:
1. Remove the peripheral drives. It is not necessary to disconnect their attached cables.
2. Carefully remove the discharged battery by grasping it firmly and lifting upward.
3. Install the new battery in the same orientation as the discharged battery.
4. Replace the peripherals.
5. Dispose of the discharged battery according to the manufacturer’s instructions.
CPU Frequency Jumper Connectors
The following figure shows the detail for the default jumper settings for the 200 MHz processors. The
processors will not work properly if the jumper settings are changed. All four jumpers are set the same.
Jumper Detail
(J17 - J20)
J17 = CPU 3
J18 = CPU 1
J19 = CPU 0
J20 = CPU 2
A1 B1
I/O Expansion Board (MSMT330)
This section providesa functional diagram, the I/O address ranges, DMA channels, board layout, and
component descriptions for the I/O expansion board. The MSMT330 provides the following
functionality:
u
Graphics - integrated G95 (Matrox MGA-2064W) with 2 MB of Window RAM (frame buffer
video memory)
u
SCSI - integrated Adapted 7860 Ultra SCSI controller supports internal CD-ROM drive, disk drive
(for StudioZ RAX), and external 8-bit SCSI expansion
u
System I/O - integrated Standard Microsystems Corporation FDC37C932 Super I/O Controller
supports PS/2 mouse, keyboard and floppy disk drive peripherals, includes Real Time Clock and
Non-Volatile RAM, and provides serial and parallel port capabilities
u
Graphics - integrated Matrox MGA-2064W graphics accelerator, Texas Instruments TVP3026
palette DAC, and 2 MB of Window RAM (WRAM). The graphics subsystem provides single
screen support, several 2D resolutions, and video playback acceleration. Refer to “Monitors” on
page 89 for monitor resolution information.
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